Handlever operated wafer Butterfly Valve

Technical Data: Nominal diameter: DN40-DN1200. Design standard: GB/T12238,BS EN 593. DIN 3354, API609, AWWAC504, BS5155, ISO10631. Top flange standard: IS05211. Face to Face: GB/T1221, BS5155. EN558. DIN3202, ASME B16.10, API609, IS05752. Flange drilling standard: GB/T17241.6, BS4504, DIN2501, ASMEB16.5, BS10, AS2129, ANSI B 16.1, ISO 7005-2.